Clinical trials: Venous Return
Hypoplastic Left Heart Syndrome, Total Anomalous Pulmonary Venous Return
Targeting Normoxia in Neonates With Cyanotic Congenital Heart Disease in the Intra-operative and Immediate Post-operative Period
This clinical trial is studying the use of different levels of oxygen exposure during and after cardiopulmonary bypass in eligible infants to learn about its safety during heart surgery.
- Conditions
- Hypoplastic Left Heart Syndrome, Total Anomalous Pulmonary Venous Return, Truncus Arteriosus, Pulmonary Atresia With Ventricular Septal Defect
- Trial name
- T-NOX (NCT04452188)
- Testing
- Normoxia (with controlled re-oxygenation), Standard of care ventilation
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- University of Michigan
Hypotension, Anomaly; Venous Return
Perioperative Fluid Management in Morbidly Obese Patients
In bariatric surgery functional and feasible non- or mini-invasive modalities for monitoring, and ideal/lean body weight estimates are addressed to meet up individual variability in hydration needs, and to avoid hyperhydration.
- Conditions
- Hypotension, Anomaly; Venous Return, Dehydration
- Trial name
- NCT01873183
- Testing
- Goal directed fluid therapy
- Where
- Sweden
- Volunteers
- 50 people
- Sponsor
- Umeå University
Sevoflurane, Cardiac Output
The Effect of Sevoflurane on Haemodynamics
Cardiac output (CO) is measured using Mostcare. Mean systemic filling pressure (MSFP) and vascular resistances are calculated using venous return curves constructed by measuring steady-state arterial and venous pressures and…
- Conditions
- Sevoflurane, Cardiac Output, Venous Return, Vascular Resistance
- Trial name
- NCT06707077
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Children's Hospital of Fudan University
Hemodynamic Variation During Surgery
Mean Systemic Pressure Measurement During Prone Position Surgery
Venous return is driven by the pressure gradient between mean systemic pressure and right atrial pressure. However, mean systemic pressure is more a physiological concept than an available clinical measurement.
- Trial name
- NCT01957605
- Where
- France
- Volunteers
- 40 people
- Sponsor
- University Hospital, Strasbourg, France
Hemodynamic Instability, Anesthesia; Adverse Effect
Heart Failure and Hemodynamic Stability During Anesthesia Induction
The study aim is to investigate whether preoperative heart failure has impact on hemodynamic stability during anesthesia induction by target controlled infusion of anesthesia (TCI) in non-cardiac, non-morbidly obese surgery.
- Conditions
- Hemodynamic Instability, Anesthesia; Adverse Effect, Heart Failure, Diastolic Dysfunction
- Trial name
- NCT03576261
- Testing
- Preoperative colloid fluid bolus (Gelofusine), Preoperative transthoracic echocardiography
- Where
- Sweden
- Volunteers
- 44 people
- Sponsor
- Umeå University
Hypovolemia, Heart Failure
Prevalence of Hypovolemia and Heart Failure in Non-cardiac Surgery
Prevalence of biventricular function of the heart and preoperative level of venous return is not known in non-cardiac non-morbid obese population.
- Conditions
- Hypovolemia, Heart Failure, Diastolic Dysfunction, Systolic Dysfunction
- Trial name
- NCT03349593
- Testing
- Echocardiography
- Where
- Sweden
- Volunteers
- 100 people
- Sponsor
- Umeå University
Venous Disease, Quality of Life
Blinded User Study for the Evaluation of the Acceptability and Efficacy of One Medical Device in Venous Return in Comparison With a Control Group
The primary goal of this study is to assess in vivo the efficacy of the insoles, in improving venous return in subjects affected by this problem after 14 days of the initial measurements, by self-assessment, filling-in questions…
- Conditions
- Venous Disease, Quality of Life, Symptoms and Signs
- Trial name
- NCT06395025
- Testing
- Insoles
- Where
- Portugal
- Volunteers
- 110 people
- Sponsor
- Millet Innovation
Venous Disease, Quality of Life
Blinded Consumer Study for the Evaluation of the Usability and Efficacy of One Medical Device in Venous Return
The primary goal of this study was to assess, in vivo, the efficacy of the medical device Invisible insoles LIGHT LEGS in improving venous return in subjects affected by this problem after 14 days of medical device use, by…
- Conditions
- Venous Disease, Quality of Life, Symptoms and Signs
- Trial name
- NCT07234240
- Testing
- Insoles
- Where
- Portugal
- Volunteers
- 54 people
- Sponsor
- Millet Innovation
Pregnancy Related, Hypotension, Orthostatic
Evaluation of Changes of Venous Return After Spinal and Epidural Analgesia and Anesthesia by Ultrasound Guided Vena Cava Diameter Measurement
The investigators propose this study to test the hypotheses that inferior vena cava (IVC) diameter can predict hypotension after labor analgesia (epidural, combined spinal-epidural) and neuraxial anesthesia for cesarean section…
- Trial name
- NCT03555799
- Testing
- Inferior vena cava ultrasound
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Augusta University
Catheter Dysfunction
Management of the Lack of Blood Return on a Central Venous Catheter (CVC) Before Chemotherapy
Compare two methods of managing the lack of CVC blood return : opacification using contrast media injection or radio-clinical method with a simple chest X-ray followed by a rapid infusion of physiological serum
- Trial name
- CATAREV-B (NCT05100355)
- Testing
- Physiological serum injection, Contrast agent injection
- Where
- 9 sites in France
- Volunteers
- 92 people
- Sponsor
- Institut Cancerologie de l'Ouest
Right Ventricular Function and Venous Return
Perioperative Assessment of Right Ventricular Function and Venous Return in Patients With Epithelial Ovarian Cancer Undergoing Cytoreductive Surgery (Gyn Right) - Pilot Study
In this prospective, observational study the investigators assess the perioperative course of right ventricular function in combination with the venous return in patients undergoing major non-cardiac surgery.
- Trial name
- NCT02291276
- Where
- Germany
- Sponsor
- Charite University, Berlin, Germany
Venous; Return (Anomaly)
Comparison of PVI and RPVI
Pleth Variability Index (PVI) is a non-invasive and automated measure of the respiratory variations of plethysmography during mechanical ventilation.
- Trial name
- RPVI (NCT03572894)
- Testing
- PVI and RPVI measurements
- Where
- France
- Volunteers
- 35 people
- Sponsor
- Hospices Civils de Lyon
Venous Insufficiency
Inspiratory Muscle Training Versus Calf Muscle on Venous Function
The aim of this study was to evaluate the effect of exercise training in addition to compression therapy on quality of life, venous return time, muscle strength, clinical severity, functional capacity in venous insufficiency…
- Trial name
- NCT04215133
- Testing
- exercise therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa